參數(shù)資料
型號(hào): μPD4264405
廠商: NEC Corp.
英文描述: 16,777,216 Words by 4 Bits CMOS Dynamic RAMs(64M 動(dòng)態(tài)RAM)
中文描述: 16,777,216詞由4位的CMOS動(dòng)態(tài)存儲(chǔ)器(RAM的6400動(dòng)態(tài))
文件頁(yè)數(shù): 15/36頁(yè)
文件大小: 256K
代理商: ΜPD4264405
μ
PD4264405, 42S65405, 4265405
15
Refresh Cycle
Parameter
Symbol
t
RAC
= 50 ns
t
RAC
= 60 ns
Unit
Note
MIN.
MAX.
MIN.
MAX.
CAS setup time
t
CSR
5
5
ns
CAS hold time (CAS before RAS refresh)
t
CHR
10
10
ns
RAS precharge CAS hold time
t
RPC
5
5
ns
RAS pulse width (CAS befoe RAS self refresh)
t
RASS
100
100
μ
s
1
RAS precharge time (CAS before RAS self refresh)
t
RPS
90
110
ns
1
CAS hold time (CAS before RAS self refresh)
t
CHS
–50
–50
ns
1
WE setup time
t
WSR
10
10
ns
WE hold time
t
WHR
15
15
ns
Note 1.
This specification is applied only to the
μ
PD42S65405.
相關(guān)PDF資料
PDF描述
μPD4265405 16,777,216 Words by 4 Bits CMOS Dynamic RAMs(64M 動(dòng)態(tài)RAM)
μPD42S65805 8,388,608 Words by 8 Bits CMOS dynamic RAMs(64M 動(dòng)態(tài)RAM)
μPD4264805 8,388,608 Words by 8 Bits CMOS dynamic RAMs(64M 動(dòng)態(tài)RAM)
μPD4265805 8,388,608 Words by 8 Bits CMOS dynamic RAMs(64M 動(dòng)態(tài)RAM)
μPD431009 1M-Bit CMOS Fast Static RAM(1M位CMOS 快速靜態(tài))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD42-CAMG13 制造商:P-TEC 制造商全稱(chēng):P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMO12 制造商:P-TEC 制造商全稱(chēng):P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMR21 制造商:P-TEC 制造商全稱(chēng):P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMR24 制造商:P-TEC 制造商全稱(chēng):P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMY01 制造商:P-TEC 制造商全稱(chēng):P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display